CN111834813B

CN111834813B - Laboratory detection device for oxygen content in air

Info

Publication number: CN111834813B
Application number: CN202010729585.6A
Authority: CN
Inventors: 高泰培; 陈带军; 许金保; 夏力耕; 王爱东
Original assignee: Jiangsu Huapu Testing Technology Service Co ltd
Current assignee: Jiangsu Huapu Liance Environmental Safety Technology Co.,Ltd.
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-10-19
Anticipated expiration: 2040-07-27
Also published as: CN111834813A

Abstract

The invention relates to the technical field of air oxygen content detection devices, and discloses an air oxygen content laboratory detection device which comprises a machine body, wherein a mounting box and an axis rod positioned in the mounting box are fixedly mounted on the back surface of the machine body, a first bearing is fixedly mounted on the inner side wall of the mounting box, a winding barrel positioned on the outer side of the axis rod is fixedly mounted on the inner side wall of the first bearing, and the outer side of the axis rod is movably connected with a volute spring, wherein one end of the volute spring extends to be fixedly connected with the outer side of the axis rod, and the other end of the volute spring extends to be fixedly connected with the inner side wall of the winding barrel. This air oxygen content laboratory detection device possesses advantages such as the protectiveness is good and can be rolled up, has solved after using up, can be with power cord and power disconnection, and the power cord drops on ground, and laboratory staff steps on the power cord plug easily under the circumstances of carelessness, makes it cause the damage to the power cord plug, simultaneously, can not be with the problem of power cord rolling.

Description

Laboratory detection device for oxygen content in air

Technical Field

The invention relates to the technical field of air oxygen content detection devices, in particular to an air oxygen content laboratory detection device.

Background

Under the general condition, the oxygen content in the atmosphere is about 21 percent, according to the research of scientists, if the oxygen content in the atmosphere exceeds 35 percent, the atmosphere is dangerous, the atmosphere is easy to generate spontaneous combustion, the earth can possibly generate fire at any time and any place, and then the earth becomes a fire ocean and becomes a prison of life.

The air oxygen content detection device that laboratory used generally is the oxygen detector, and after using up, can be with power cord and power disconnection, the power cord drops on ground, and laboratory personnel step on the power cord plug easily under the circumstances of carelessness, make it cause the damage to the power cord plug, simultaneously, can not be with the power cord rolling, so propose an air oxygen content laboratory detection device and solve the above-mentioned problem of proposing.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the air oxygen content laboratory detection device which has the advantages of good protection, capability of being rolled and the like, and solves the problems that after the laboratory detection device is used, a power line is disconnected from a power supply, the power line falls to the ground, laboratory personnel easily step on a power line plug under the careless condition, the power line plug is damaged, and meanwhile, the power line cannot be rolled.

(II) technical scheme

In order to achieve the purposes of good protection and rolling, the invention provides the following technical scheme: an air oxygen content laboratory detection device comprises a machine body, wherein a mounting box and an axis rod positioned in the mounting box are fixedly mounted on the back of the machine body, a first bearing is fixedly mounted on the inner side wall of the mounting box, a winding cylinder positioned on the outer side of the axis rod is fixedly mounted on the inner side wall of the first bearing, one end of the outer side of the axis rod is movably connected with a scroll spring fixedly connected with the outer side of the axis rod, the other end of the outer side of the axis rod is fixedly connected with the scroll spring fixedly connected with the inner side wall of the winding cylinder, the outer side of the mounting box is provided with two abdicating holes, one end of the back of the machine body is fixedly connected with a connecting wire through the two abdicating holes, the back of the mounting box is in threaded connection with a threaded rod, one end of the threaded rod penetrates through the back of the mounting box, a connecting block is fixedly connected with the front of the threaded rod, and the outer side of the connecting block is rotatably connected with a limiting component, one end of the limiting component extends to the inside of the winding cylinder, the bottom of the machine body is fixedly provided with two cushion blocks, the other end of the connecting wire is fixedly connected with a joint, the other end of the joint is fixedly connected with plug pins, one end of the joint, which is far away from the connecting wire, is provided with a ring groove, the inside of the ring groove is movably connected with a protective cover, one end of the protective cover extends to the outer side of the plug pins, the front side wall of an inner cavity of the protective cover is fixedly provided with a sheath positioned at the outer side of the plug pins, the inner side wall of the sheath is fixedly provided with a soft layer contacted with the plug pins, the outer side of the protective cover is provided with a mounting groove, the outer side of the joint is provided with a fixing groove communicated with the ring groove, the inner side wall of the fixing groove is fixedly provided with an adjusting block, the inside of the mounting groove is fixedly provided with an extrusion spring, and the other end of the extrusion spring is fixedly connected with a fixture block, one end of the fixture block penetrates through the mounting groove and extends to the inside of the fixing groove, the inside wall swing joint of regulating block has one end to extend to the stripper bar that connects the outside, the spout has all been seted up to the upper and lower both sides of stripper bar, the equal fixed mounting of both sides wall has one end to extend to the inside slider of two spouts about the inner chamber of regulating block, the stripper bar is located the inside one end fixedly connected with of fixed slot and the thrust plate of fixture block contact.

Preferably, the front of the machine body is embedded with a control button and a display screen, and the display screen is positioned on the left side of the control button.

Preferably, the connecting wire is wound on the outer side of the winding drum, the winding drum is hollow, and the winding drum is I-shaped.

Preferably, the limiting assembly comprises a second bearing and a hexagonal block, the second bearing is fixedly connected to the outer side of the connecting block, and one end of the outer side of the second bearing is fixedly connected to the hexagonal block extending to the inner part of the winding cylinder.

Preferably, the soft layer is a sponge cushion, and the soft layer is U-shaped.

Preferably, the cushion blocks are plastic blocks and are distributed in bilateral symmetry.

Preferably, the number of the mounting grooves is three, and the number of the fixing grooves is equal to that of the mounting grooves.

Preferably, the number of the sheaths is three, and the two sheaths below are both designed in an inclined manner.

Preferably, the extrusion rod is T-shaped, and one end of the extrusion rod, which is located at the outer side of the joint, is wrapped with silica gel.

(III) advantageous effects

Compared with the prior art, the invention provides a laboratory detection device for the oxygen content in air, which has the following beneficial effects:

1. this air oxygen content laboratory detection device, when plug foot and power disconnection need protect, the extrusion fixture block makes its compression extrusion spring, the extrusion spring then drives the fixture block and removes in the mounting groove, insert the protective cover to the ring channel in, the sheath is located the outside of plug foot, the soft layer is the foam-rubber cushion and contacts with the plug foot, thereby protect it, the fixture block is behind the coplanar with the fixed slot, the extrusion spring produces tension and promotes the fixture block and shift out the mounting groove and enter into the fixed slot in, thereby fix the protective cover, can realize the effect to the protection of plug foot, the good mesh of protectiveness has been reached.

2. This air oxygen content laboratory detection device, when detection device need examine time measuring, it makes it drive spacing subassembly and leaves the winding drum to rotate the threaded rod, the pulling connecting wire, the connecting wire drives the winding drum and is rotatory in first bearing inside, the volute spiral spring atress of being connected with the winding drum is stretched, some connecting wires shift out from the hole of stepping down, after the connecting wire shifts out suitable length, make it drive spacing subassembly and insert in the winding drum at the rotation threaded rod, it is fixed spacing to it, when needs rolling connecting wire, it makes it drive spacing subassembly and leave the winding drum to rotate the threaded rod once more, by tensile volute spiral spring shrink, can drive the winding drum at first bearing inside rotation and rolling connecting wire, thereby reached the purpose that can roll up, prevent to connect ground that drops, further the protectiveness has been improved.

Drawings

FIG. 1 is a schematic structural view of a laboratory detection device for oxygen content in air according to the present invention;

FIG. 2 is a back sectional view of an installation box of a laboratory testing device for oxygen content in air according to the present invention;

FIG. 3 is a cross-sectional side view of a winding drum of a laboratory testing apparatus for oxygen content in air according to the present invention;

FIG. 4 is a rear view of a limiting assembly of the laboratory testing device for oxygen content in air according to the present invention;

FIG. 5 is an enlarged view of the part A in FIG. 1 of the laboratory testing apparatus for oxygen content in air according to the present invention;

FIG. 6 is a side view of a protective cover of a laboratory testing apparatus for oxygen content in air according to the present invention.

In the figure: 1. a body; 2. mounting a box; 3. a first bearing; 4. a winding drum; 5. a spindle rod; 6. a volute spiral spring; 7. a hole of abdication; 8. a connecting wire; 9. a threaded rod; 10. connecting blocks; 11. a limiting component; 12. cushion blocks; 13. a joint; 14. a plug pin; 15. an annular groove; 16. a protective cover; 17. a sheath; 18. a soft layer; 19. mounting grooves; 20. fixing grooves; 21. an adjusting block; 22. a compression spring; 23. a clamping block; 24. an extrusion stem; 25. a chute; 26. a slider; 27. a thrust plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an air oxygen content laboratory detecting device comprises a machine body 1, a control button and a display screen are embedded in the front of the machine body 1, the display screen is located on the left side of the control button, a mounting box 2 and an axis rod 5 located inside the mounting box 2 are fixedly mounted on the back of the machine body 1, a first bearing 3 is fixedly mounted on the inner side wall of the mounting box 2, a winding cylinder 4 located on the outer side of the axis rod 5 is fixedly mounted on the inner side wall of the first bearing 3, a volute spring 6 is movably connected to the outer side of the axis rod 5, one end of the volute spring extends to the outer side of the axis rod 5, the other end of the volute spring extends to the inner side wall of the winding cylinder 4, two abdicating holes 7 are formed in the outer side of the mounting box 2, a connecting wire 8 is fixedly connected to the back of the machine body 1, one end of the connecting wire 8 is wound on the outer side of the winding cylinder 4, the inner part of the winding cylinder 4 is hollow, the winding cylinder 4 is in an I shape, the back of the mounting box 2 is in threaded connection with a threaded rod 9 with one end penetrating through the back of the mounting box 2, the front of the threaded rod 9 is fixedly connected with a connecting block 10, the outer side of the connecting block 10 is rotatably connected with a limiting component 11 with one end extending to the inside of the winding cylinder 4, the limiting component 11 comprises a second bearing and a hexagonal block, the outer side of the connecting block 10 is fixedly connected with a second bearing, the outer side of the second bearing is fixedly connected with a hexagonal block with one end extending to the inside of the winding cylinder 4, the bottom of the machine body 1 is fixedly provided with two cushion blocks 12, the cushion blocks 12 are plastic blocks, the cushion blocks 12 are distributed in bilateral symmetry, the other end of the connecting wire 8 is fixedly connected with a joint 13, the other end of the joint 13 is fixedly connected with a plug pin 14, one end of the joint 13, which is far away from the connecting wire 8, is provided with an annular groove 15, and the inner part of the annular groove 15 is movably connected with a protective cover 16 with one end extending to the outer side of the plug pin 14, the front side wall of the inner cavity of the protective cover 16 is fixedly provided with protective sleeves 17 positioned at the outer sides of the plug pins 14, the number of the protective sleeves 17 is three, and the two protective sleeves 17 below are both designed in an inclined manner, the inner side wall of the protective cover 17 is fixedly provided with a soft layer 18 contacted with the plug pins 14, the soft layer 18 is a sponge cushion, the soft layer 18 is U-shaped, the outer side of the protective cover 16 is provided with mounting grooves 19, the number of the mounting grooves 19 is three, the number of the fixing grooves 20 is equal to that of the mounting grooves 19, the outer side of the joint 13 is provided with fixing grooves 20 communicated with the annular groove 15, the inner side wall of the fixing grooves 20 is fixedly provided with an adjusting block 21, the inside of the mounting grooves 19 is fixedly provided with an extrusion spring 22, the other end of the extrusion spring 22 is fixedly connected with a clamping block 23, one end of the clamping block 23 extends to the inside of the fixing groove 20, and the inner side wall of the adjusting block 21 is movably connected with an extrusion rod 24, one end of which extends to the outer side of the joint 13, the extrusion rod 24 is T shape, and the one end parcel that extrusion rod 24 is located the joint 13 outside has silica gel, and spout 25 has all been seted up to the upper and lower both sides of extrusion rod 24, and the equal fixed mounting of both sides wall has one end to extend to the inside slider 26 of two spout 25 about the inner chamber of regulating block 21, and extrusion rod 24 is located the inside one end fixedly connected with of fixed slot 20 and the thrust plate 27 of fixture block 23 contact.

To sum up, when the plug pin 14 is disconnected from the power supply and needs to be protected, the fixture block 23 is pressed to compress the pressing spring 22, the pressing spring 22 drives the fixture block 23 to move into the mounting groove 19, the protective cover 16 is inserted into the annular groove 15, the protective cover 17 is located on the outer side of the plug pin 14, the soft layer 18 is a sponge mat and contacts with the plug pin 14 to protect the plug pin, after the fixture block 23 and the fixed groove 20 are located on the same plane, the pressing spring 22 generates tension to push the fixture block 23 to move out of the mounting groove 19 and enter the fixed groove 20, so that the protective cover 16 is fixed, the effect of protecting the plug pin 14 can be achieved, the purpose of good protection is achieved, when the detection device needs to detect, the threaded rod 9 is rotated to drive the limiting component 11 to leave the winding cylinder 4, the connecting wire 8 is pulled, and the connecting wire 8 drives the winding cylinder 4 to rotate inside the first bearing 3, the spiral spring 6 connected with the winding cylinder 4 is extended by force, a part of the connection line 8 is moved out of the relief hole 7, after the connecting wire 8 is moved out of the proper length, the threaded rod 9 is rotated to drive the limiting component 11 to be inserted into the winding drum 4, the connecting wire 8 is fixed and limited, when the connecting wire needs to be wound, the threaded rod 9 is rotated again to drive the limiting component 11 to leave the winding drum 4, the stretched spiral spring 6 contracts, the winding drum 4 can be driven to rotate in the first bearing 3 and wind the connecting wire 8, thereby achieving the purpose of winding, preventing the joint 13 from falling on the ground, further improving the protection property, solving the problem that after the winding drum is used up, can be with power cord and mains disconnection, the power cord drops on ground, and the laboratory staff steps on the power cord plug easily under the circumstances of careless, makes it cause the damage to the power cord plug, simultaneously, can not be with the problem of power cord rolling.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air oxygen content laboratory detection device, includes organism (1), its characterized in that: the back of the machine body (1) is fixedly provided with a mounting box (2) and an axle center rod (5) positioned inside the mounting box (2), the inner side wall of the mounting box (2) is fixedly provided with a first bearing (3), the inner side wall of the first bearing (3) is fixedly provided with a winding barrel (4) positioned outside the axle center rod (5), one end of the outer side of the axle center rod (5) is movably connected with a volute spring (6) which is fixedly connected with the outer side of the axle center rod (5) and the other end of the same is fixedly connected with the inner side wall of the winding barrel (4), the outer side of the mounting box (2) is provided with two abdicating holes (7), one end of the back of the machine body (1) is fixedly connected with a connecting wire (8) of the abdicating holes (7), the back of the mounting box (2) is connected with a threaded rod (9) with one end penetrating through the back of the mounting box (2), the front fixedly connected with connecting block (10) of threaded rod (9), the outside of connecting block (10) is rotated and is connected with limiting component (11) that one end extends to winding section of thick bamboo (4) inside, the bottom fixed mounting of organism (1) has cushion (12) that quantity is two, the other end fixedly connected with of connecting wire (8) connects (13), the other end fixedly connected with plug foot (14) that connect (13), the one end that connecting wire (8) was kept away from in joint (13) has seted up ring channel (15), the inside swing joint of ring channel (15) has protective cover (16) that one end extends to plug foot (14) outside, lateral wall fixed mounting has sheath (17) that is located plug foot (14) outside before the inner chamber of protective cover (16), the inside wall fixed mounting of sheath (17) has soft layer (18) of contact with plug foot (14), mounting groove (19) have been seted up in the outside of protective cover (16), fixed slot (20) with ring channel (15) intercommunication are seted up in the outside that connects (13), the inside wall fixed mounting of fixed slot (20) has regulating block (21), the inside fixed mounting of mounting groove (19) has extrusion spring (22), other end fixedly connected with one end of extrusion spring (22) runs through mounting groove (19) and extends to inside fixture block (23) of fixed slot (20), the inside wall swing joint of regulating block (21) has squeeze bar (24) that one end extends to joint (13) outside, spout (25) have all been seted up to the upper and lower both sides of squeeze bar (24), the equal fixed mounting of both sides wall has one end to extend to inside slider (26) of two spout (25) about the inner chamber of regulating block (21), squeeze bar (24) are located thrust plate (27) that the inside one end fixedly connected with fixture block (23) of fixed slot (20) contacted ).

2. The laboratory test device of claim 1, wherein: the front of organism (1) is embedded with control button and display screen, the display screen is located the left side of control button.

3. The laboratory test device of claim 1, wherein: the connecting wire (8) is wound on the outer side of the winding cylinder (4), the winding cylinder (4) is hollow, and the winding cylinder (4) is I-shaped.

4. The laboratory test device of claim 1, wherein: spacing subassembly (11) include second bearing and hexagonal piece, the outside fixedly connected with second bearing of connecting block (10), the outside fixedly connected with one end of second bearing extends to the inside hexagonal piece of winding section of thick bamboo (4).

5. The laboratory test device of claim 1, wherein: the soft layer (18) is a spongy cushion, and the soft layer (18) is U-shaped.

6. The laboratory test device of claim 1, wherein: the cushion blocks (12) are plastic blocks, and the cushion blocks (12) are distributed in a bilateral symmetry mode.

7. The laboratory test device of claim 1, wherein: the number of the mounting grooves (19) is three, and the number of the fixing grooves (20) is equal to that of the mounting grooves (19).

8. The laboratory test device of claim 1, wherein: the number of the sheaths (17) is three, and the two sheaths (17) below are all designed in an inclined mode.

9. The laboratory test device of claim 1, wherein: the extrusion rod (24) is T-shaped, and silica gel is wrapped at one end, located on the outer side of the joint (13), of the extrusion rod (24).